1519140145 has 16 divisors (see below), whose sum is σ = 1936441728. Its totient is φ = 1140125440.

The previous prime is 1519140143. The next prime is 1519140173. The reversal of 1519140145 is 5410419151.

It is a happy number.

It is not a de Polignac number, because 1519140145 - 2¹ = 1519140143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1519140143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 55168.

It is an arithmetic number, because the mean of its divisors is an integer number (121027608).

Almost surely, 2^1519140145 is an apocalyptic number.

It is an amenable number.

1519140145 is a deficient number, since it is larger than the sum of its proper divisors (417301583).

1519140145 is a wasteful number, since it uses less digits than its factorization.

1519140145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57800.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1519140145 is about 38976.1484115606. The cubic root of 1519140145 is about 1149.5625670913.

Adding to 1519140145 its reverse (5410419151), we get a palindrome (6929559296).

The spelling of 1519140145 in words is "one billion, five hundred nineteen million, one hundred forty thousand, one hundred forty-five".